The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 03 October 2025 06:25 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	359101	3.45%	12486	28.76	UNINET, MX
2	16509	327810	3.15%	14624	22.42	AMAZON-02, US
3	18101	281816	2.71%	683	412.61	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
4	36903	77673	0.75%	1250	62.14	MT-MPLS, MA
5	4155	74814	0.72%	3106	24.09	USDA-1, US
6	15964	68356	0.66%	159	429.91	CAMNET-AS, CM
7	203020	67751	0.65%	2015	33.62	HOSTROYALE, IN
8	207990	64325	0.62%	1145	56.18	HR-CUSTOMER, IN
9	335	53167	0.51%	222	239.49	DNIC-ASBLK-00306-00371, US
10	11664	52470	0.50%	1237	42.42	Techtel LMDS Comunicaciones Interactivas S.A., AR
11	12479	50692	0.49%	7576	6.69	UNI2-AS, ES
12	39891	39725	0.38%	4833	8.22	ALJAWWALSTC-AS, SA
13	174	37411	0.36%	5196	7.20	COGENT-174, US
14	197207	36140	0.35%	833	43.39	MCCI-AS, IR
15	58224	35915	0.34%	1190	30.18	TCI, IR
16	3302	34968	0.34%	54	647.56	AS-IRIDEOS, IT
17	9009	33601	0.32%	4038	8.32	M247, RO
18	138754	32896	0.32%	198	166.14	KVBPL-AS-IN Kerala Vision Broad Band Private Limited, IN
19	19429	32891	0.32%	704	46.72	ETB - Colombia, CO
20	37294	32675	0.31%	142	230.11	TNM, MW
21	647	32095	0.31%	441	72.78	DNIC-ASBLK-00616-00665, US
22	36914	31839	0.31%	588	54.15	KENET-AS, KE
23	270814	31512	0.30%	263	119.82	ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA, BR
24	42337	30677	0.29%	685	44.78	RESPINA-AS, IR
25	22773	30536	0.29%	4653	6.56	ASN-CXA-ALL-CCI-22773-RDC, US
26	20940	30185	0.29%	4047	7.46	AKAMAI-ASN1, NL
27	9829	30145	0.29%	1871	16.11	BSNL-NIB National Internet Backbone, IN
28	5371	29897	0.29%	277	107.93	DNIC-ASBLK-05120-05376, US
29	7552	27512	0.26%	3963	6.94	VIETEL-AS-AP Viettel Group, VN
30	10620	27311	0.26%	3505	7.79	Telmex Colombia S.A., CO
31	8452	26812	0.26%	1692	15.85	TE-AS TE-AS, EG
32	38266	25877	0.25%	735	35.21	VIL-AS-AP Vodafone Idea Ltd, IN
33	24835	25556	0.25%	1855	13.78	RAYA-AS, EG
34	11492	25292	0.24%	4750	5.32	CABLEONE, US
35	37069	24303	0.23%	1086	22.38	MOBINIL, EG
36	24863	22969	0.22%	1252	18.35	LINKdotNET-AS, EG
37	12389	22536	0.22%	3145	7.17	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
38	13188	22409	0.22%	1607	13.94	TRIOLAN, UA
39	16625	22128	0.21%	3065	7.22	AKAMAI-AS, US
40	35819	21393	0.21%	666	32.12	MOBILY-AS Etihad Etisalat Company Mobily, SA
41	7155	21269	0.20%	3859	5.51	VIASAT-SP-BACKBONE, US
42	20473	20824	0.20%	1433	14.53	AS-VULTR, US
43	4755	20821	0.20%	2193	9.49	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
44	7029	20790	0.20%	2415	8.61	WINDSTREAM, US
45	5972	20726	0.20%	1413	14.67	DNIC-ASBLK-05800-06055, US
46	9498	20653	0.20%	4473	4.62	BBIL-AP BHARTI Airtel Ltd., IN
47	8369	19581	0.19%	57	343.53	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
48	24757	19547	0.19%	467	41.86	EthioNet-AS, ET
49	36935	19526	0.19%	1077	18.13	Vodafone-, EG
50	25184	19306	0.19%	226	85.42	AFRANET to AS62265 announce AS25184, IR
Total		2538224	24.41%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	328599	7318.0	0.07%	3	7318	Amanet-SARL, TD
2	329312	6841.0	0.07%	1	6841	Manano-Telecommunication-SARL, TD
3	149038	6103.5	0.12%	2	12207	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
4	400552	5411.5	0.10%	2	10823	ODYACAD-ASN, US
5	396950	4938.0	0.05%	1	4938	COMSTBARTH-AS, FR
6	29469	4121.0	0.04%	1	4121	GTU Khmelnitsky, Ukraine, UA
7	7954	3906.0	0.11%	3	11718	IMMENSE-NETWORKS, US
8	153569	3645.0	0.04%	1	3645	ZPL-AS-AP Ziska Pharmaceuticals Ltd., BD
9	64046	3398.0	0.10%	3	10194	PBL-BD Pubali Bank Limited, BD
10	133430	3289.0	0.13%	4	13156	IBBL-AS-AP Islami Bank Bangladesh Limited, BD
11	886	3120.0	0.03%	1	3120	SBH-IX-SERVICES, FR
12	207169	2946.0	0.03%	1	2946	BRAYDEN-NET, US
13	214294	2498.7	0.07%	4	7496	NOOBNET, GB
14	153361	2335.0	0.02%	1	2335	BHPL-AS-AP Bangladesh Honda Private Limited, BD
15	25048	2157.4	0.10%	5	10787	DSNET DSNet, GB
16	136867	2050.0	0.06%	3	6150	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
17	10779	1929.0	0.04%	2	3858	STEPBROBD, US
18	137258	1921.0	0.02%	1	1921	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
19	13341	1740.8	0.07%	5	6963	TRANQUILITY, US
20	269684	1692.7	0.05%	3	5078	LANFIBRA TELECOMUNICACOES - EIRELI, BR
21	28657	1655.7	0.05%	3	4967	MD Brasil - Tecnologia da Informacao Ltda, BR
22	265566	1490.0	0.07%	5	7450	TELESISTEMAS PENINSULARES SA DE CV, MX
23	52852	1423.2	0.07%	5	7116	Last Mile Telecom, BR
24	23000	1276.0	0.02%	5	2552	WESCOM, US
25	270168	1232.5	0.02%	2	2465	Alejandro Uballe Montoya, MX
26	132793	1128.0	0.01%	1	1128	UPV-TACLOBAN-AS-AP University of the Philippines Visayas, Tacloban, PH
27	268942	1082.8	0.04%	4	4331	G. PEREIRA NORONHA - ME, BR
28	206169	1013.0	0.02%	2	2026	SGBL, LB
29	199352	1012.0	0.01%	1	1012	AUTOVIE-AS, IT
30	399240	1012.0	0.02%	11	2024	BLUE-RIDGE-INTERNET, US
31	268788	1000.0	0.02%	7	2000	HEXA TELECOM LTDA, BR
32	40138	939.7	0.11%	12	11276	MDNET, US
33	204318	923.0	0.01%	1	923	BGPTOOLS-QA, GB
34	328410	892.0	0.01%	1	892	FrogFoot-AS, ZA
35	266207	853.7	0.07%	15	7683	Onitel Telecomunicacoes, BR
36	27844	844.8	0.03%	4	3379	ETAPA EP, EC
37	5602	792.4	0.11%	14	11094	AS-IRIDEOS-KP, IT
38	44942	791.0	0.01%	9	791	DIGITALRETI-AS, IT
39	206867	790.0	0.02%	2	1580	EASY_FIBRA_SRL, IT
40	150442	790.0	0.02%	2	1580	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
41	208496	789.0	0.01%	1	789	DAILYTELECOM, IT
42	204614	787.0	0.01%	1	787	CHIESI-AS, IT
43	204578	787.0	0.01%	1	787	ASN-AERIUSNETWORK, IT
44	213847	786.0	0.01%	1	786	ASN-IREN, IT
45	31222	784.0	0.02%	3	2352	ASN-TERRA, IT
46	205610	727.0	0.01%	2	1454	JAMESITS Jamesits Networks , CN
47	400786	720.0	0.01%	1	720	PFS, US
48	269518	673.0	0.03%	5	3365	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
49	328448	663.0	0.01%	1	663	Direction-Generale-Des-Impots-AS, BF
50	215994	660.0	0.01%
Total		99679.4	2.19%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11704	0.11%	7954 -- IMMENSE-NETWORKS, US
2	124.195.190.0/24	11030	0.10%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
3	202.181.232.0/23	10924	0.10%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
4	74.200.129.0/24	10816	0.10%	400552 -- ODYACAD-ASN, US
5	154.72.173.0/24	10780	0.10%	15964 -- CAMNET-AS, CM
6	130.137.231.0/24	10566	0.10%	16509 -- AMAZON-02, US
7	55.27.56.0/24	10189	0.09%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.217.0/24	10164	0.09%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	10155	0.09%	335 -- DNIC-ASBLK-00306-00371, US
10	55.74.57.0/24	10143	0.09%	335 -- DNIC-ASBLK-00306-00371, US
11	55.74.56.0/24	10137	0.09%	335 -- DNIC-ASBLK-00306-00371, US
12	186.83.117.0/24	8366	0.08%	10620 -- Telmex Colombia S.A., CO
13	130.137.108.0/24	8128	0.08%	16509 -- AMAZON-02, US
14	173.82.125.0/24	8113	0.08%	16509 -- AMAZON-02, US
15	130.137.12.0/24	8025	0.07%	16509 -- AMAZON-02, US
16	103.228.121.0/24	7530	0.07%	133430 -- IBBL-AS-AP Islami Bank Bangladesh Limited, BD
17	130.137.230.0/24	7430	0.07%	16509 -- AMAZON-02, US
18	45.172.92.0/22	7409	0.07%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
19	102.23.84.0/22	7318	0.07%	328599 -- Amanet-SARL, TD
20	130.137.219.0/24	7298	0.07%	16509 -- AMAZON-02, US
21	195.24.205.0/24	7205	0.07%	15964 -- CAMNET-AS, CM
22	195.24.198.0/24	7204	0.07%	15964 -- CAMNET-AS, CM
23	195.24.207.0/24	7201	0.07%	15964 -- CAMNET-AS, CM
24	173.82.66.0/24	7148	0.07%	16509 -- AMAZON-02, US
25	130.137.80.0/24	7136	0.07%	16509 -- AMAZON-02, US
26	177.86.122.0/23	7078	0.07%	52852 -- Last Mile Telecom, BR
27	130.137.79.0/24	6960	0.06%	16509 -- AMAZON-02, US
28	199.47.232.0/22	6941	0.06%	13341 -- TRANQUILITY, US
29	130.137.118.0/24	6933	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
30	102.211.107.0/24	6841	0.06%	329312 -- Manano-Telecommunication-SARL, TD
31	84.205.66.0/24	6821	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
32	173.82.63.0/24	6606	0.06%	16509 -- AMAZON-02, US
33	173.82.67.0/24	6542	0.06%	16509 -- AMAZON-02, US
34	103.177.87.0/24	6501	0.06%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
35	193.105.156.0/24	6489	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
36	173.82.108.0/24	6485	0.06%	16509 -- AMAZON-02, US
37	195.24.201.0/24	6480	0.06%	15964 -- CAMNET-AS, CM
38	195.114.123.0/24	6402	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39	195.114.122.0/24	6379	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
40	130.137.105.0/24	6335	0.06%	16509 -- AMAZON-02, US
41	130.137.90.0/24	6326	0.06%	16509 -- AMAZON-02, US
42	130.137.140.0/24	6321	0.06%	16509 -- AMAZON-02, US
43	130.137.130.0/24	6304	0.06%	16509 -- AMAZON-02, US
44	130.137.124.0/24	6280	0.06%	16509 -- AMAZON-02, US
45	130.137.89.0/24	6272	0.06%	14618 -- AMAZON-AES, US
46	130.137.26.0/24	6238	0.06%	16509 -- AMAZON-02, US
47	130.137.127.0/24	6237	0.06%	16509 -- AMAZON-02, US
48	130.137.78.0/24	6210	0.06%	16509 -- AMAZON-02, US
49	130.137.99.0/24	6197	0.06%	16509 -- AMAZON-02, US
50	130.137.28.0/24	6181	0.06%	16509 -- AMAZON-02, US
Total		384478	3.58%

14 Day BGP Profile: 19-September-2025 00:00 - 2-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26217481
Number of Prefix Updates:	10413702
Number of Prefix Withdrawals:	330897
Average Prefixes per BGP Update:	0.41
Average BGP Update Messages per second:	21.67
Average Prefix Updates per second:	8.88
Peak BGP Update Message Rate per second:	74375	(22:00:43 Wed, 1-Oct-2025)
Peak Prefix Update Rate per second:	11610	(21:51:37 Wed, 1-Oct-2025)
Peak Prefix Withdraw Rate per second:	54765	(13:39:10 Fri, 19-Sep-2025)
Prefix Count:	1048759
Updated Prefix Count:	860096
Stable Prefix Count:	188663
Origin AS Count:	77418
Updated Origin AS Count:	70305
Stable Origin AS Count:	7113
Unique Path Count:	630138
Updated Path Count:	510545
Stable Path Count:	119593

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.